🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.1

Radius: 10.3

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.73 AU - 0.81 AU

Year: 475 Days

Day: 14 Hours

Environment

Temp: -171 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,051,867 km

• M1: 128,205 km (0.054 R)
• M2: 463,305 km (0.105 R)
• M3: 784,940 km (0.049 R)
• M4: 1,207,704 km (0.099 R)
• M5: 2,153,461 km (0.067 R)
• M6: 2,597,318 km (0.086 R)
• M7: 3,226,228 km (0.107 R)
• M8: 3,966,887 km (0.119 R)
• M9: 4,321,434 km (0.096 R)
• M10: 4,923,864 km (0.1 R)
• M11: 5,564,592 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.1

Radius: 13.3

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.73 AU - 0.91 AU

Year: 522 Days

Day: 13.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 21,051,867 km

• M1: 166,203 km (0.069 R)
• M2: 698,772 km (0.066 R)
• M3: 2,360,654 km (0.117 R)
• M4: 3,125,548 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773

Radius: 10.8

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.66 AU - 1.02 AU

Year: 541 Days

Day: 8.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,051,867 km

• M1: 134,339 km (0.116 R)
• M2: 486,343 km (0.061 R)
• M3: 958,474 km (0.033 R)
• M4: 1,411,306 km (0.109 R)
• M5: 1,779,766 km (0.06 R)
• M6: 2,222,426 km (0.117 R)
• M7: 3,209,473 km (0.062 R)
• M8: 3,562,075 km (0.053 R)
• M9: 4,039,442 km (0.105 R)
• M10: 5,039,653 km (0.055 R)
• M11: 5,483,360 km (0.07 R)
• M12: 6,102,696 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.2

Radius: 13.6

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.85 AU - 1.15 AU

Year: 703 Days

Day: 14.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 21,051,867 km

• M1: 169,195 km (0.099 R)
• M2: 687,253 km (0.113 R)
• M3: 1,568,982 km (0.114 R)
• M4: 2,138,651 km (0.113 R)
• M5: 2,971,163 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.4

Radius: 14.5

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.19 AU - 1.81 AU

Year: 1291 Days

Day: 13.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,051,867 km

• M1: 180,265 km (0.098 R)
• M2: 653,144 km (0.112 R)
• M3: 1,501,514 km (0.072 R)
• M4: 2,016,729 km (0.083 R)
• M5: 2,638,906 km (0.058 R)
• M6: 3,191,521 km (0.115 R)
• M7: 3,713,318 km (0.117 R)
• M8: 4,568,569 km (0.114 R)
• M9: 5,411,553 km (0.107 R)
• M10: 6,202,328 km (0.065 R)
• M11: 7,309,950 km (0.078 R)
• M12: 8,491,774 km (0.105 R)
• M13: 9,649,362 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.4

Radius: 11.4

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.8 AU - 2.08 AU

Year: 1899 Days

Day: 8.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,051,867 km

• M1: 146,157 km (0.108 R)
• M2: 505,790 km (0.092 R)
• M3: 956,230 km (0.075 R)
• M4: 1,358,648 km (0.104 R)
• M5: 1,779,317 km (0.09 R)
• M6: 2,461,334 km (0.098 R)
• M7: 3,459,600 km (0.059 R)
• M8: 4,085,219 km (0.102 R)
• M9: 4,452,481 km (0.112 R)
• M10: 6,126,930 km (0.057 R)
• M11: 7,168,431 km (0.044 R)
• M12: 7,679,307 km (0.103 R)
• M13: 8,296,698 km (0.078 R)
• M14: 8,716,918 km (0.117 R)
• M15: 9,358,992 km (0.065 R)
• M16: 11,069,345 km (0.114 R)
• M17: 11,718,001 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978

Radius: 11.8

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.77 AU - 2.81 AU

Year: 2436 Days

Day: 8.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,051,867 km

• M1: 147,504 km (0.097 R)
• M2: 640,877 km (0.03 R)
• M3: 1,146,668 km (0.043 R)
• M4: 1,556,117 km (0.076 R)
• M5: 2,181,586 km (0.101 R)
• M6: 2,636,513 km (0.077 R)
• M7: 3,420,256 km (0.116 R)
• M8: 3,798,440 km (0.096 R)
• M9: 4,506,037 km (0.034 R)
• M10: 5,861,394 km (0.073 R)
• M11: 6,462,478 km (0.101 R)
• M12: 8,895,688 km (0.093 R)
• M13: 9,287,485 km (0.119 R)
• M14: 9,953,345 km (0.114 R)
• M15: 10,453,750 km (0.105 R)
• M16: 13,676,836 km (0.07 R)
• M17: 14,933,907 km (0.075 R)
• M18: 15,488,466 km (0.093 R)
• M19: 17,016,159 km (0.091 R)
• M20: 17,676,933 km (0.089 R)
• M21: 18,642,288 km (0.109 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 14,691 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit